Updated! - Test Your Diagnostic Skills - Warning, Contains Graphic Necropsy Photos

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This is what the egg and agg bits should have looked like:

Source:
http://www.tankonyvtar.hu/hu/tartalom/tamop425/0010_1A_Book_angol_05_termeleselettan/ch13.html

Figure 13.1. Figure 13.1.: Structures of female chicken reproductive tract (Akers and Denbow, 2008). The ovary with multiple oocytes in various stages of development is apparent. After ovulation, the egg progresses through segments of the oviduct, infundibulum, magnum, and isthmus. In this illustration, a mature egg after albumin deposition (soft egg), but before shell formation, is shown. The mature egg is subsequently laid after passage into the cloaca
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It is in the infundibulum that fertilization will take place if the bird is allowed to breed. The oviduct is variable in size, being maximally expanded and lengthened during the lay (60-70 cm long in the hen) and regress in size during broodiness and the moult. It possesses grossly identifiable sections (the magnum, isthmus, uterus, and vagina) that correlate with the important tasks of production the albumen and the laying down of the egg shell. The oviduct terminates in a slit-like aperture in the urodeum, next to the opening of the ureter.
 
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